Contents of this Issue:
1. Science Highlight —
Revealing the Molecular Origins of Life
(contacts: M.P. Robertson, robertson@chemistry.ucsc.edu; W.G. Scott,
wgscott@chemistry.ucsc.edu)
| A close-up of the L1 ligase active site. |
To learn more about this research see the full scientific highlight at:
http://www-
ssrl.slac.stanford.edu/research/highlights_archive/ligase.html
2. Science Highlight —
Closing in on Dangerous Infections
(contacts:
L. Craig, licraig@sfu.ca; J.A. Tainer, jat@scripps.edu)
 | |
To learn more about this research see the full scientific highlight at:
http://www-
ssrl.slac.stanford.edu/research/highlights_archive/pilin.html
3.
Low Emittance Lattice for Brighter Beam
(contacts:
J. Safranek, safranek@slac.stanford.edu; R. Hettel, hettel@slac.stanford.edu)
The SSRL Accelerator Physics group has utilized a number of recent machine physics blocks to test injection and stored current operations of the SPEAR3 accelerator in a low emittance mode. Tests of this new magnetic lattice, which lowers the SPEAR3 emittance from 15nm*rad to 9.75nm*rad, proved highly successful. Consequently, initial low emittance user operations will commence in early May. In this mode of operations the electron beam horizontal size shrinks approximately 20%, resulting in a commensurate reduction in the horizontal spot size on most focused end stations. To preserve the stored electron beam lifetime, the ring vertical coupling is increased somewhat. This results in slightly larger electron beam vertical size, but the increase is sufficiently small that the effect on focused beam vertical size is not observable.
4.
Rapid Access Beam Time for SMB XAS BL7-3 — Online Application Now
Available!
 |
To apply for rapid access time, please fill out the application form at:
http://www-ssrl.slac.stanford.edu/users/user_admin/bio_xas_rapidaccess.html.
For questions, please contact Serena DeBeer George
(serena@slac.stanford.edu).
5. New SSRL Faculty Chair and Vice-Chair
Appointed
(contact:
K.O. Hodgson, hodgson@ssrl.slac.stanford.edu)
P.
Bucksbaum
B. Hedman |
6.
Aaron Lindenberg Appointed to Faculty Position
(contact:
J. Stöhr, stohr@ssrl.slac.stanford.edu)
 |
| A. Lindenberg |
7.
SSRL Users' Executive Committee Meeting
The SSRL Users' Organization Executive Committee (SSRLUOEC) met on Monday, April 23. Several topics were discussed including a follow up to the users' survey which was conducted in January, an update on user advocacy activities by the Synchrotron and Neutron Users' Group (SNUG), plans for the joint SSRL and LCLS annual users' meeting and workshops, accelerator and low emittance optics developments, and undergraduate research incentives. Representatives from the SLAC Director Search Committee attended part of the meeting to encourage users to participate in the search process for the next Director; Jonathan Dorfan announced recently that he will step down as SLAC Director later this year. In conjunction with the search committee, the SSRLUOEC developed a brief survey and is soliciting user input by May 1 into the opportunities and challenges facing the lab in the next decade, the attributes of the next director, and names of potential candidates. http://www.surveymonkey.com/s.asp?u=983223752151.
Representatives from the Stanford Guest House also participated in part of the SSRLUOEC meeting to provide an update on the Guest House. In May all of the bunk bed rooms will be converted to double bed rooms, and many of the queen bed rooms will be converted to two double bed rooms as these are the most requested room type. Several upgrades to the Guest House were made recently including new linens and upgraded bath products, the addition of hairdryers, bicycles available for rent, and more frequent shuttle service to Stanford (every 20 minutes). SSRL and SLAC guests will continue to receive a discount for rooms ($75 vs. $89 for one double bed; $105 vs. $119 for a queen or two double beds).
The Guest House acknowledged that at times it is difficult to accommodate users when there are major events occurring at SLAC or Stanford, but overall, the occupancy rates are not as high as desired. On some occasions when we anticipate a shortage of rooms (such as during the June 14-21 Stanford graduation), we reserve a group block for SSRL users. When seeking reservations, specify your SSRL affiliation to receive the discounted rates and to determine if there are any SSRL rooms available. Users who have questions or experience any problems related to the Guest House are encouraged to contact Group Coordinator Kristi Nelson at 650-926-5193 or Guest House Manager Jonathan Faulkner. http://www.stanford.edu/dept/hds/guesthouse//
8.
Upcoming Schools, Users' Meetings and Workshops
—At SSRL
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| —At Other DOE Light Sources | |||
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Proposal Submittal: X-ray/VUV proposals are due by May 1. Proposals received by
this date will be peer reviewed and eligible for beam time beginning in
November 2007. Rapid access and letter of intent proposals can be submitted at
any time.
http://www-ssrl.slac.stanford.edu/users/user_admin/xray_vuv_proposal_guide.html
July 1, 2007 is the next deadline for submitting macromolecular crystallography
proposals. For beam time before fall 2007, please submit a Rapid Access
proposal or contact L. Dunn (lisa@slac.stanford.edu) for more information.
http://www-ssrl.slac.stanford.edu/users/user_admin/px_proposal_guide.html
Materials Diffraction Beam Time Available: We are currently accepting beam time
requests for materials science diffraction experiments on SSRL BL11-3. Users
interested in requesting beam time on BL11-3 through the end of the current run
on August 6 should submit a request using the electronic form at:
http://www-ssrl.slac.stanford.edu/users/user_admin/xray_btrf.html
10.
Photon Science Job Opportunities
__________________________________________________________________________
SSRL Headlines is published electronically monthly to inform SSRL users, sponsors and other interested people about happenings at SSRL. SSRL is a national synchrotron user facility operated by Stanford University for the U.S. Department of Energy Office of Basic Energy Sciences. Additional support for the structural biology program is provided by the DOE Office of Biological and Environmental Research, the NIH National Center for Research Resources and the NIH Institute for General Medical Sciences. Additional information about SSRL and its operation and schedules is available from the SSRL WWW site.
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